211532007

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 86513433

約数列:

[1, 3, 43, 47, 129, 139, 141, 251, 417, 753, 2021, 5977, 6063, 6533, 10793, 11797, 17931, 19599, 32379, 34889, 35391, 104667, 280919, 507271, 842757, 1500227, 1521813, 1639783, 4500681, 4919349, 70510669, 211532007]

約数ペア:

[(1, 211532007), (3, 70510669), (43, 4919349), (47, 4500681), (129, 1639783), (139, 1521813), (141, 1500227), (251, 842757), (417, 507271), (753, 280919), (2021, 104667), (5977, 35391), (6063, 34889), (6533, 32379), (10793, 19599), (11797, 17931)]